The word "antihemicranin" is a medical term used to refer to a substance that prevents or treats migraines. The correct spelling of this word is /ˌæntiˌhɛmɪˈkrænɪn/, with emphasis on the second syllable. The term is composed of three separate components: "anti-", meaning against or preventing, "hemicrania", which is a type of severe headache, and "-in", a common suffix used to denote a protein or hormone. The exact role and effectiveness of antihemicranin in treating migraines is still being studied by medical professionals.